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201020110101101 = 4145757411868753
BaseRepresentation
bin101101101101001110100100…
…010000010101101001101101
3222100202100001002202110121202
4231231032210100111221231
5202322003141141213401
61551311210321135245
760225136503153104
oct5555164420255155
9870670032673552
10201020110101101
1159062171628905
121a66706418a525
1388221659a1715
14378d5d4c1303b
151838edb06e06b
hexb6d3a4415a6d

201020110101101 has 16 divisors (see below), whose sum is σ = 206409694862448. Its totient is φ = 195653849395200.

The previous prime is 201020110100917. The next prime is 201020110101211. The reversal of 201020110101101 is 101101011020102.

201020110101101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 18616204622500 + 182403905478601 = 4314650^2 + 13505699^2 .

It is not a de Polignac number, because 201020110101101 - 210 = 201020110100077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201020110101301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106634741 + ... + 108503493.

It is an arithmetic number, because the mean of its divisors is an integer number (12900605928903).

Almost surely, 2201020110101101 is an apocalyptic number.

It is an amenable number.

201020110101101 is a deficient number, since it is larger than the sum of its proper divisors (5389584761347).

201020110101101 is a wasteful number, since it uses less digits than its factorization.

201020110101101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1874992.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 201020110101101 its reverse (101101011020102), we get a palindrome (302121121121203).

The spelling of 201020110101101 in words is "two hundred one trillion, twenty billion, one hundred ten million, one hundred one thousand, one hundred one".

Divisors: 1 41 457 5741 18737 235381 1868753 2623637 76618873 107569117 854020121 10728510973 35014824961 439868949893 4902929514661 201020110101101